NEMA 34 Stepper Motor 86BYGH127
The 86BYGH127 is a two-phase bipolar hybrid stepper motor featuring a 1.8° (200 steps/rev) step angle and a 127 mm motor length. It is rated for 6 A per phase, with phase resistance around 0.8 Ω, and a phase inductance in the 5 mH – 6 mH range. The motor delivers approximate holding torque of 7.6 Nm – 9 Nm, offering strong performance for high-inertia loads. It features standard 4‑lead bipolar wiring, meets insulation resistance ≥ 100 MΩ @ 500 VDC, and tolerates a dielectric strength of 500 VAC for 1 min. With a temperature rise capped at 80 °C and an ambient operating range of –20 °C to +50 °C, it’s reliable for continuous, rigorous use. Shaft diameter: 14 mm with 5 mm keyway.
Features
- 1.8° (200 steps/rev) step angle with ±5 % accuracy.
- Bipolar, two-phase (4‑lead) configuration for precise microstepping control.
- Rated current approximately 6 A per phase.
- Phase resistance 0.8 Ω.
- Phase inductance 5 mH – 6 mH.
- Holding torque 7.6 Nm – 9 Nm.
- 14 mm shaft with 5 mm keyway for stable coupling.
- Insulation resistance ≥ 100 MΩ @ 500 VDC; dielectric 500 VAC / 1 min.
- Operating temperature rise ≤ 80 °C; ambient range –20 °C to +50 °C.
Specifications
| Parameter | Value |
|---|---|
| Model | 86BYGH127 |
| Step Angle | 1.8° (200 steps/rev) |
| Step Accuracy | ±5 % |
| Phases | 2 (bipolar, 4‑wire) |
| Rated Current | 6 A/Phase |
| Phase Resistance | 0.8 Ω |
| Phase Inductance | 5 mH – 6 mH |
| Holding Torque | 7.6 Nm – 9 Nm |
| Detent Torque | ~0.5 Nm |
| Rotor Inertia | ~4.6 kg·cm² |
| Temperature Rise | ≤80 °C |
| Ambient Temperature Range | –20 °C – +50 °C |
| Storage Temperature Range | –20 °C – +70 °C |
| Insulation Resistance | ≥100 MΩ@500 VDC |
| Dielectric Strength | 500 VAC for 1 min |
| Number of Leads | 4 |
| Motor Length | 127 mm |
| Shaft Diameter | 14 mm with 5 mm keyway |
Torque vs Speed
Applications
- Heavy-duty CNC routers, lathes, and rotary tables.
- Industrial robotics and positioning systems.
- High-torque actuators and motion platforms.
- Conveyors, packaging machinery, and precision indexing.
- Aerospace and defense-grade motion vibration systems.
Package Contents
- 1x NEMA 34 Stepper Motor 86BYGH127.
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